CN203690508U - Ground wire earthing device used for 750kV live line - Google Patents
Ground wire earthing device used for 750kV live line Download PDFInfo
- Publication number
- CN203690508U CN203690508U CN201420088821.0U CN201420088821U CN203690508U CN 203690508 U CN203690508 U CN 203690508U CN 201420088821 U CN201420088821 U CN 201420088821U CN 203690508 U CN203690508 U CN 203690508U
- Authority
- CN
- China
- Prior art keywords
- wire
- ground wire
- insulating bar
- earthing device
- clamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 230000001939 inductive effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Landscapes
- Electric Cable Installation (AREA)
Abstract
The utility model discloses a ground wire earthing device used for a 750kV live line. The ground wire earthing device includes an insulation operation rod arranged vertically, a ground wire earthing clamp connected to the upper end of the insulation operation rod in a dismountable manner, and a moving press board connected to the top end of the insulation operation rod fixedly and capable of moving back and forth in the ground wire earthing clamp. When the insulation operation rod is being rotated, the moving press board in the ground wire earthing clamp is enabled to move back and forth for clamping the a ground wire tightly. According to the utility model, defects of poor safety performance, low operation efficiency, high operation difficulty and the like of the prior art can be made up and advantages of good safety performance, high operation efficiency and low operation difficulty can be realized.
Description
Technical field
The utility model relates to transmission facility technical field, particularly, relates to a kind of 750 kv electriferous line grounding wire earthing device.
Background technology
Existing 750 kilovolt ground wire grounding devices adopt Pincerlike cable clamp to be connected with ground wire, and insulating element mostly is insulated handle, though can meet safety in production demand under normal circumstances, has the drawbacks such as coefficient of safety is not high, operating efficiency is low.The whole strain section overhead ground wire of 750 KV transmission line without directly grounded situation under, will cause the floating potential of ground wire too high, thereby disruptive discharge gap form continuous discharge, for this situation, adopt existing earthing device to hang, very likely jeopardize operating personnel's personal safety.Part 750 kilovolt ground wires adopt top-twisted wire-clip to connect simultaneously, affected by preformed armor rods, and near its steel tower, line body is relatively thick, existing earthing device Pincerlike cable clamp cannot ensure to connect safety, reliable, and while suspension, need personnel's installation of stretching forward, increased task difficulty, operating efficiency is low.
Realizing in process of the present utility model, inventor finds at least to exist in prior art the defect such as the low and task difficulty of poor stability, operating efficiency is large.
Utility model content
The purpose of this utility model is, for the problems referred to above, proposes a kind of 750 kv electriferous line grounding wire earthing device, to realize the advantage that fail safe is good, operating efficiency is high and task difficulty is little.
For achieving the above object, the technical solution adopted in the utility model is: a kind of 750 kv electriferous line grounding wire earthing device, comprise the insulating bar of vertical setting, the detachable ground wire grounded wire clamp that is connected to described insulating bar upper end, and the movable pressing board that is fixedly connected on described insulating bar top and can moves forward and backward at ground wire grounded wire clamp; In the time of described turn insulating bar, can make the movable pressing board in ground wire grounded wire clamp move forward and backward, clamp ground wire.
Further, above-described 750 kv electriferous line grounding wire earthing device, also comprise with described ground wire grounded wire clamp and mate the band transparent sheath annealed copper wire being connected, ground wire charge inducing can be released into the earth by steel tower by described band transparent sheath annealed copper wire.
Further, on described ground wire grounded wire clamp, offer the grooved installing hole for tether transparent sheath annealed copper wire.
Further, above-described 750 kv electriferous line grounding wire earthing device, also comprise with described with transparent sheath annealed copper wire coupling be connected and for by ground wire grounded wire clamp by be connected to the steel tower end fastener of steel tower with transparent sheath annealed copper wire.
Further, be provided with external screw thread on described insulating bar top, be provided with accordingly internal thread in the junction of described ground wire grounded wire clamp and insulating bar; Described insulating bar is threaded by mating the external screw thread and the internal thread that arrange with ground wire grounded wire clamp.
Further, the top of described insulating bar is fixedly connected with by the mode of welding with movable pressing board.
Further, the syndeton of described ground wire grounded wire clamp and movable pressing board, forms opening epsilon-type structure to the left or to the right; The base of described opening epsilon-type structure is to the left or to the right threaded in the upper end of insulating bar, and the central sill of described opening epsilon-type structure is to the left or to the right welded on the top of insulating bar.
The 750 kv electriferous line grounding wire earthing device of the each embodiment of the utility model, owing to comprising the insulating bar of vertical setting, the detachable ground wire grounded wire clamp that is connected to insulating bar upper end, and the movable pressing board that is fixedly connected on insulating bar top and can moves forward and backward at ground wire grounded wire clamp; In the time of described turn insulating bar, can make the movable pressing board in ground wire grounded wire clamp move forward and backward, clamp ground wire; Can be in the on-line operation of alive circuit ground, can make ground wire grounded reliable, body voltage endurance capability is strong, safe, convenient; Thereby can overcome poor stability in prior art, operating efficiency is low and task difficulty is large defect, to realize the advantage that fail safe is good, operating efficiency is high and task difficulty is little.
Other features and advantages of the utility model will be set forth in the following description, and, partly from specification, become apparent, or understand by implementing the utility model.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model with embodiment mono-of the present utility model, does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the utility model 750 kv electriferous line grounding wire earthing device.
By reference to the accompanying drawings, in the utility model embodiment, Reference numeral is as follows:
1-insulating bar; 2-band transparent sheath annealed copper wire; The ground wire grounded wire clamp of 3-; 4-movable pressing board; 5-steel tower end fastener.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for description and interpretation the utility model, and be not used in restriction the utility model.
According to the utility model embodiment, as shown in Figure 1, a kind of 750 kv electriferous line grounding wire earthing device are provided.This 750 kv electriferous line grounding wire earthing device, can be in the on-line operation of alive circuit ground, can make ground wire grounded reliable, body voltage endurance capability is strong, safe, convenient.
The 750 kv electriferous line grounding wire earthing device of the present embodiment, are mainly made up of insulated handle 1, band transparent sheath annealed copper wire 2, ground wire grounded wire clamp 3, movable pressing board 4 and steel tower end fastener 5.Movable pressing board 4 is fixed on insulated handle 1 top, is through at ground wire grounded wire clamp 3 in its screw thread, and band transparent sheath annealed copper wire 2 one end connect ground wire grounded wire clamp 3, and the other end connects steel tower end fastener 5.Constantly shorten the gap between ground wire grounded wire clamp 3 and movable pressing board 4 by rotating insulated handle 1, finally clamp ground wire, by band transparent sheath annealed copper wire 2, charge inducing is released into the earth by steel tower, make it reliable ground.Steel tower end fastener 5 is prior art, belongs to the link of 750 kv electriferous line grounding wire earthing device and steel tower, does not do too much elaboration.
Owing to implementing technique scheme, Pincerlike cable clamp and the insulating element insulated handle thereof of existing earthing device are substituted, make the 750 kv electriferous line grounding wire earthing device of above-described embodiment safe and reliable, handling safety, simple and easy in the time of mounting or dismounting ground wire grounding device, can ensure overhead ground wire reliable ground in the time of 750 kv electriferous line grounding wire maintenance, for personnel's job safety has increased guarantee, improve operating efficiency.
Finally it should be noted that: the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (7)
1. a kv electriferous line grounding wire earthing device, it is characterized in that, comprise the insulating bar of vertical setting, the detachable ground wire grounded wire clamp that is connected to described insulating bar upper end, and the movable pressing board that is fixedly connected on described insulating bar top and can moves forward and backward at ground wire grounded wire clamp; In the time of described turn insulating bar, can make the movable pressing board in ground wire grounded wire clamp move forward and backward, clamp ground wire.
2. 750 kv electriferous line grounding wire earthing device according to claim 1, it is characterized in that, also comprise with described ground wire grounded wire clamp and mate the band transparent sheath annealed copper wire being connected, ground wire charge inducing can be released into the earth by steel tower by described band transparent sheath annealed copper wire.
3. 750 kv electriferous line grounding wire earthing device according to claim 2, is characterized in that, on described ground wire grounded wire clamp, offer the grooved installing hole for tether transparent sheath annealed copper wire.
4. 750 kv electriferous line grounding wire earthing device according to claim 2, it is characterized in that, also comprise with described with transparent sheath annealed copper wire coupling be connected and for by ground wire grounded wire clamp by be connected to the steel tower end fastener of steel tower with transparent sheath annealed copper wire.
5. according to 750 kv electriferous line grounding wire earthing device described in any one in claim 1-4, it is characterized in that, be provided with external screw thread on described insulating bar top, be provided with accordingly internal thread in the junction of described ground wire grounded wire clamp and insulating bar; Described insulating bar is threaded by mating the external screw thread and the internal thread that arrange with ground wire grounded wire clamp.
6. according to 750 kv electriferous line grounding wire earthing device described in any one in claim 1-4, it is characterized in that, the top of described insulating bar is fixedly connected with by the mode of welding with movable pressing board.
7. according to 750 kv electriferous line grounding wire earthing device described in any one in claim 1-4, it is characterized in that the syndeton of described ground wire grounded wire clamp and movable pressing board forms opening epsilon-type structure to the left or to the right; The base of described opening epsilon-type structure is to the left or to the right threaded in the upper end of insulating bar, and the central sill of described opening epsilon-type structure is to the left or to the right welded on the top of insulating bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420088821.0U CN203690508U (en) | 2014-02-28 | 2014-02-28 | Ground wire earthing device used for 750kV live line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420088821.0U CN203690508U (en) | 2014-02-28 | 2014-02-28 | Ground wire earthing device used for 750kV live line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203690508U true CN203690508U (en) | 2014-07-02 |
Family
ID=51012379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420088821.0U Expired - Lifetime CN203690508U (en) | 2014-02-28 | 2014-02-28 | Ground wire earthing device used for 750kV live line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203690508U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110449A (en) * | 2017-11-29 | 2018-06-01 | 广东电网有限责任公司江门供电局 | A kind of rotation clamped-in style short-circuit grounding wire conductor end terminal |
| CN109066111A (en) * | 2018-06-20 | 2018-12-21 | 广东电网有限责任公司 | It is a kind of can docking low-voltage ground device |
| CN109361084A (en) * | 2018-10-22 | 2019-02-19 | 国网山东省电力公司栖霞市供电公司 | A kind of electric power security protection facility intelligent positioner and its localization method |
-
2014
- 2014-02-28 CN CN201420088821.0U patent/CN203690508U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110449A (en) * | 2017-11-29 | 2018-06-01 | 广东电网有限责任公司江门供电局 | A kind of rotation clamped-in style short-circuit grounding wire conductor end terminal |
| CN109066111A (en) * | 2018-06-20 | 2018-12-21 | 广东电网有限责任公司 | It is a kind of can docking low-voltage ground device |
| CN109361084A (en) * | 2018-10-22 | 2019-02-19 | 国网山东省电力公司栖霞市供电公司 | A kind of electric power security protection facility intelligent positioner and its localization method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203288783U (en) | Electricity detection type high-voltage ground wire rod | |
| CN203690508U (en) | Ground wire earthing device used for 750kV live line | |
| CN203250598U (en) | Anti-thunder tension insulator | |
| CN204441845U (en) | Lightning arrester | |
| CN103887735A (en) | Linear charged wire lifting device of electric transmission line | |
| CN102646945A (en) | Method for 500kV live replacement of composite insulators | |
| CN201985500U (en) | Oblique-pulling and hanging type lightning arrester for 500KV power transmission line | |
| CN204441841U (en) | A kind of GIL structure | |
| CN104810119B (en) | A kind of insulator | |
| CN204905802U (en) | Cable connection structure that can set up in open | |
| CN204257304U (en) | A kind of glass insulator lightning protection hardware | |
| CN204349394U (en) | A kind of protection rope for conductor cross arm connecting device | |
| CN105788773A (en) | Insulator capable of preventing broken line of insulated overhead conductor struck by lightning | |
| CN208298585U (en) | A kind of anti-breakdown high voltage single-core cable | |
| CN202111347U (en) | 10 kV junction box grounding wire | |
| CN201717521U (en) | Connecting device for high-voltage shielding sleeve | |
| CN203660276U (en) | Gap lightning protection device | |
| CN205595142U (en) | Prevent built on stilts insulated wire lightning -caused breaking insulator | |
| CN206712417U (en) | Ice-melt gold utensil | |
| CN206400166U (en) | Cable fitting more than a kind of double cable OPGW of transformer station's single pole | |
| CN204516511U (en) | A kind of insulator | |
| CN204947467U (en) | Vertical two elevator | |
| CN204029752U (en) | Fuse switch electricity-detection grounding device | |
| CN204720945U (en) | A kind of detachable cold dielectric superconducting cable termination | |
| CN203722120U (en) | Rapid arc extinguisher used for coming out of electric field |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |